Tue, 19 May 2015 15:49:27 +0200
8061715: gc/g1/TestShrinkAuxiliaryData15.java fails with java.lang.RuntimeException: heap decommit failed - after > before
Summary: added WhiteBox methods to count regions and exact aux data sizes
Reviewed-by: jwilhelm, brutisso
brutisso@7195 | 1 | /* |
brutisso@7195 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
brutisso@7195 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
brutisso@7195 | 4 | * |
brutisso@7195 | 5 | * This code is free software; you can redistribute it and/or modify it |
brutisso@7195 | 6 | * under the terms of the GNU General Public License version 2 only, as |
brutisso@7195 | 7 | * published by the Free Software Foundation. |
brutisso@7195 | 8 | * |
brutisso@7195 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
brutisso@7195 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
brutisso@7195 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
brutisso@7195 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
brutisso@7195 | 13 | * accompanied this code). |
brutisso@7195 | 14 | * |
brutisso@7195 | 15 | * You should have received a copy of the GNU General Public License version |
brutisso@7195 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
brutisso@7195 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
brutisso@7195 | 18 | * |
brutisso@7195 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
brutisso@7195 | 20 | * or visit www.oracle.com if you need additional information or have any |
brutisso@7195 | 21 | * questions. |
brutisso@7195 | 22 | * |
brutisso@7195 | 23 | */ |
brutisso@7195 | 24 | |
brutisso@7195 | 25 | #include "precompiled.hpp" |
brutisso@7195 | 26 | #include "gc_implementation/g1/heapRegionType.hpp" |
brutisso@7195 | 27 | |
brutisso@7195 | 28 | bool HeapRegionType::is_valid(Tag tag) { |
brutisso@7195 | 29 | switch (tag) { |
brutisso@7195 | 30 | case FreeTag: |
brutisso@7195 | 31 | case EdenTag: |
brutisso@7195 | 32 | case SurvTag: |
brutisso@7195 | 33 | case HumStartsTag: |
brutisso@7195 | 34 | case HumContTag: |
brutisso@7195 | 35 | case OldTag: |
brutisso@7195 | 36 | return true; |
brutisso@7195 | 37 | } |
brutisso@7195 | 38 | return false; |
brutisso@7195 | 39 | } |
brutisso@7195 | 40 | |
brutisso@7195 | 41 | const char* HeapRegionType::get_str() const { |
brutisso@7195 | 42 | hrt_assert_is_valid(_tag); |
brutisso@7195 | 43 | switch (_tag) { |
brutisso@7195 | 44 | case FreeTag: return "FREE"; |
brutisso@7195 | 45 | case EdenTag: return "EDEN"; |
brutisso@7195 | 46 | case SurvTag: return "SURV"; |
brutisso@7195 | 47 | case HumStartsTag: return "HUMS"; |
brutisso@7195 | 48 | case HumContTag: return "HUMC"; |
brutisso@7195 | 49 | case OldTag: return "OLD"; |
brutisso@7195 | 50 | } |
brutisso@7195 | 51 | ShouldNotReachHere(); |
brutisso@7195 | 52 | // keep some compilers happy |
brutisso@7195 | 53 | return NULL; |
brutisso@7195 | 54 | } |
brutisso@7195 | 55 | |
brutisso@7195 | 56 | const char* HeapRegionType::get_short_str() const { |
brutisso@7195 | 57 | hrt_assert_is_valid(_tag); |
brutisso@7195 | 58 | switch (_tag) { |
brutisso@7195 | 59 | case FreeTag: return "F"; |
brutisso@7195 | 60 | case EdenTag: return "E"; |
brutisso@7195 | 61 | case SurvTag: return "S"; |
brutisso@7195 | 62 | case HumStartsTag: return "HS"; |
brutisso@7195 | 63 | case HumContTag: return "HC"; |
brutisso@7195 | 64 | case OldTag: return "O"; |
brutisso@7195 | 65 | } |
brutisso@7195 | 66 | ShouldNotReachHere(); |
brutisso@7195 | 67 | // keep some compilers happy |
brutisso@7195 | 68 | return NULL; |
brutisso@7195 | 69 | } |